Sustained Emergency Lighting Definition

This was because a fluorescent lamp could easily fail and so if you had a sustained light fitting you were always sure of lighting just when you needed it.

Sustained emergency lighting definition.

With most emergency lights moved to led you. Emergency lights are standard in new commercial and high occupancy residential buildings such as college dormitories apartments and hotels. See combined emergency luminaire. It is designed to come on in the event of a mains power failure making sure all emergency exit routes are clearly illuminated but will not be active as your normal day to day lighting system.

Uninterruptible power supply ups. Switchable maintained emergency light. An emergency luminaire without its own batteries which is designed to work in conjunction with a central battery system. The lights are typically dimmed when the premises are occupied and the emergency escape lighting prevents total darkness.

What is non maintained emergency lighting. A luminaire that can act as the mains room light and as an emergency light. It can be turned off on via the room light switch and operate in the event of a power circuit failure. Sustained emergency luminaire see combined emergency luminaire.

Sustained when a fitting has two or more lamps at least one lamp. In emergency mode stays lit but at a lower light level non maintained comes on only in emergency mode this is a luminaire in which the emergency lamps are lit all the time and operates as. Standby lighting the part of emergency lighting which may be provided to enable normal activities to continue in the event of a mains supply failure. An emergency light is a battery backed lighting device that switches on automatically when a building experiences a power outage.

A sustained emergency light is one that has two light sources one for everyday mains room light and one that is only used during a power cut.